The following two Rarity-focused PMVs make me think/imagine something like the following. A really sexy and beautiful high school girl (was thinking human, but could be a mare) who is popular; she's also a mean girl, but she has a heart of gold.

Is in TPA - 'Rarity My Little Pony G4 AMV - "Your Love Is My Drug" - Ke$ha' (uploaded in 2010-09-30 20:35:53 GMT):
https://iv.ggtyler.dev/watch?v=7LE6DJj0ngU

2012 video not in TPA - "PMV - Sexy Naughty Bitchy Rarity.mp4":[1]
https://iv.ggtyler.dev/watch?v=ymlSDkXC6UM

Someone's post (www.youtube.com->iv.ggtyler.dev):
>First G4 fan song: https://iv.ggtyler.dev/watch?v=atnSTtiWU5E
>First G4 PMV: https://iv.ggtyler.dev/watch?v=7LE6DJj0ngU
>-------------------------------------------
>First G5 fan song: https://iv.ggtyler.dev/watch?v=63Yzx4CNSI4
>First G5 PMV: ???

[1] I downloaded that small channel: Apple Dash UCYApxt-C8NrVKJhjkj-B76w (videos not in TPA). Videos from
> https://gateway.pinata.cloud/ipfs/QmeG51bRCHqyxZRQCaAUKAzuB3BMDdYwHBZCtEwcWR7NAX /Apple_Dash_UCYApxt-C8NrVKJhjkj-B76w and https://gateway.pinata.cloud/ipfs/QmPSc5MKZfyhPgADPCRYGbhwbRsLcM9QLRSEMc3RyZphfq /MLPBubbles_UCMoJiNCAQCaibHkOG6tmMJQ.partial